We check this website, now gta5-mods.com is up and dont blocked for our system and other users of the Internet.
So, answer to question: Is gta5-mods Down Right Now? - NO! gta5-mods is up!
If you have problem with access to site gta5-mods, and domain gta5-mods.com is not avalible.
Clear browser cache and/or try other web browser
(Chrome, Firefox or Safari).